JD

Jianhua Duan

BL Bcd Semiconductor Manufacturing Limited: 1 patents #1 of 5Top 20%
📍 Lo Wu, CN: #363 of 743 inventorsTop 50%
Overall (2019): #417,638 of 560,194Top 75%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10462868 Circuit and method for driving LED lamp with a dimmer Xuegang Ren, Na Liu 2019-10-29